WIFI232-B2 User Manual
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5
UART send request of
data transmission
UART_RTS
O
status through AT
command
GPIO
GPIO5
I/O
6
UART receives data
transmission
permission
UART_CTS
I
GPIOGPIO6
I/O
7
Module reset signal
RESET
I
“Low (0)” effective reset
input
The reset duration should
be kept more than 300ms
8
WiFi status Indication
nLink
O
“0”
-WIFI connection
available
“1”
-Module boot up not
finish
Can be configured as
GPIO
GPIO
GPIO8
I/O
9
Indicate the module
status of power on
process
nReady
O
“0” or “ Plmodic Signal”
-
Finish module boot up
process.
“1”
- Module boot up not
finish.
Can be configured as
GPIO
GPIO
GPIO9
I/O
10
Restore configuration
nReload
I
Module will Restore
configuration after set this
pin “o” more than 1s, then
set “1”
GPIO
GPIO10
I/O
11
Ethernet Input+
I
+1.8V Ethernet Data
Interface
Support transformer and
direct connection (AC
couple) mode.
12
Ethernet Input-
PHY_RX-
I
13
Ethernet
O
14
Ethernet Output-
PHY_TX-
O
Table 3 WIFI232 Pins Definition
3.2
Mechanical Size
Physical size of WIFI232 modules is 25x40mm as below:
3.2.1
Dimension of WIFI232
